EP0656601A3 - Dispositif pour la localisation et lecture automatisée de plaques d'immatriculation. - Google Patents

Dispositif pour la localisation et lecture automatisée de plaques d'immatriculation. Download PDF

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Publication number
EP0656601A3
EP0656601A3 EP94308677A EP94308677A EP0656601A3 EP 0656601 A3 EP0656601 A3 EP 0656601A3 EP 94308677 A EP94308677 A EP 94308677A EP 94308677 A EP94308677 A EP 94308677A EP 0656601 A3 EP0656601 A3 EP 0656601A3
Authority
EP
European Patent Office
Prior art keywords
reader
license plate
plate locator
automated license
automated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP94308677A
Other languages
German (de)
English (en)
Other versions
EP0656601A2 (fr
Inventor
James F Frazier
Craig C Reinhart
James F Alves
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hughes Missile Systems Co
Original Assignee
Hughes Missile Systems Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hughes Missile Systems Co filed Critical Hughes Missile Systems Co
Publication of EP0656601A2 publication Critical patent/EP0656601A2/fr
Publication of EP0656601A3 publication Critical patent/EP0656601A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00Scenes; Scene-specific elements
    • G06V20/60Type of objects
    • G06V20/62Text, e.g. of license plates, overlay texts or captions on TV images
    • G06V20/63Scene text, e.g. street names
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/20Image preprocessing
    • G06V10/32Normalisation of the pattern dimensions
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/70Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • G06V10/751Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00Scenes; Scene-specific elements
    • G06V20/60Type of objects
    • G06V20/62Text, e.g. of license plates, overlay texts or captions on TV images
    • G06V20/625License plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Computing Systems (AREA)
  • Artificial Intelligence (AREA)
  • Health & Medical Sciences (AREA)
  • Databases & Information Systems (AREA)
  • Evolutionary Computation (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • Character Input (AREA)
  • Traffic Control Systems (AREA)
  • Image Processing (AREA)
EP94308677A 1993-12-01 1994-11-24 Dispositif pour la localisation et lecture automatisée de plaques d'immatriculation. Withdrawn EP0656601A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16050493A 1993-12-01 1993-12-01
US160504 1993-12-01

Publications (2)

Publication Number Publication Date
EP0656601A2 EP0656601A2 (fr) 1995-06-07
EP0656601A3 true EP0656601A3 (fr) 1996-11-13

Family

ID=22577140

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94308677A Withdrawn EP0656601A3 (fr) 1993-12-01 1994-11-24 Dispositif pour la localisation et lecture automatisée de plaques d'immatriculation.

Country Status (3)

Country Link
US (1) US5651075A (fr)
EP (1) EP0656601A3 (fr)
CA (1) CA2135240A1 (fr)

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US20060030985A1 (en) * 2003-10-24 2006-02-09 Active Recognition Technologies Inc., Vehicle recognition using multiple metrics
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US20100246890A1 (en) * 2009-03-26 2010-09-30 Microsoft Corporation Detection of objects in images
TWI384408B (zh) * 2009-04-30 2013-02-01 Ind Tech Res Inst 影像辨識以及輸出方法與其系統
US20110078933A1 (en) * 2009-10-02 2011-04-07 Lukawitz Jason J Electronic license plate and information processing system
DE102009046362A1 (de) * 2009-11-03 2011-05-05 Tesa Se Haftklebestoff aus einem vernetzbaren Polyolefin und einem Klebharz
US8736680B1 (en) 2010-05-18 2014-05-27 Enforcement Video, Llc Method and system for split-screen video display
US8294794B2 (en) * 2010-07-06 2012-10-23 GM Global Technology Operations LLC Shadow removal in an image captured by a vehicle-based camera for clear path detection
US8345100B2 (en) * 2010-07-06 2013-01-01 GM Global Technology Operations LLC Shadow removal in an image captured by a vehicle-based camera using an optimized oriented linear axis
US8447112B2 (en) * 2010-12-17 2013-05-21 Xerox Corporation Method for automatic license plate recognition using adaptive feature set
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EP2666123A4 (fr) 2011-01-18 2017-03-08 RTC Vision Ltd. Système et procédé destinés à une reconnaissance améliorée des caractères dans des images déformées
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DE102011053052B3 (de) * 2011-08-26 2013-02-28 Jenoptik Robot Gmbh Verfahren und Vorrichtung zur Identifikation von Kraftfahrzeugen zur Verkehrsüberwachung
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CN103123684A (zh) * 2011-11-18 2013-05-29 江南大学 车牌定位方法
US20140002661A1 (en) * 2012-06-29 2014-01-02 Xerox Corporation Traffic camera diagnostics via smart network
US9082037B2 (en) 2013-05-22 2015-07-14 Xerox Corporation Method and system for automatically determining the issuing state of a license plate
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JP6115388B2 (ja) * 2013-08-01 2017-04-19 株式会社デンソー ナンバープレート認識装置およびナンバープレート認識方法
US9779318B1 (en) 2014-06-27 2017-10-03 Blinker, Inc. Method and apparatus for verifying vehicle ownership from an image
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US10733471B1 (en) 2014-06-27 2020-08-04 Blinker, Inc. Method and apparatus for receiving recall information from an image
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US10867327B1 (en) 2014-06-27 2020-12-15 Blinker, Inc. System and method for electronic processing of vehicle transactions based on image detection of vehicle license plate
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Also Published As

Publication number Publication date
CA2135240A1 (fr) 1995-06-02
EP0656601A2 (fr) 1995-06-07
US5651075A (en) 1997-07-22

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